{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["member collection", "entity destination", "entity origin", "instrument agency"], "input": "the 180 cm thick concrete shield starts at the radius of 600 cm ."}
{"member collection": [], "entity destination": [], "entity origin": [], "instrument agency": []}